xen/trace: add tlb flush tracepoints (c8eed171) · Commits · e / devices / android_kernel_fairphone_FP4

arch/x86/xen/mmu.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -1222,6 +1222,8 @@ static void xen_flush_tlb(void)
		struct mmuext_op *op;
		struct multicall_space mcs;

		trace_xen_mmu_flush_tlb(0);

		preempt_disable();

		mcs = xen_mc_entry(sizeof(*op));
		@@ -1240,6 +1242,8 @@ static void xen_flush_tlb_single(unsigned long addr)
		struct mmuext_op *op;
		struct multicall_space mcs;

		trace_xen_mmu_flush_tlb_single(addr);

		preempt_disable();

		mcs = xen_mc_entry(sizeof(*op));
		@@ -1266,6 +1270,8 @@ static void xen_flush_tlb_others(const struct cpumask *cpus,
		} *args;
		struct multicall_space mcs;

		trace_xen_mmu_flush_tlb_others(cpus, mm, va);

		if (cpumask_empty(cpus))
		return; /* nothing to do */

		@@ -1305,6 +1311,8 @@ static void __xen_write_cr3(bool kernel, unsigned long cr3)
		struct multicall_space mcs;
		unsigned long mfn;

		trace_xen_mmu_write_cr3(kernel, cr3);

		if (cr3)
		mfn = pfn_to_mfn(PFN_DOWN(cr3));
		else

+48 −0

Original line number	Diff line number	Diff line
		@@ -405,6 +405,54 @@ TRACE_EVENT(xen_mmu_pgd_unpin,
		TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
		);

		TRACE_EVENT(xen_mmu_flush_tlb,
		TP_PROTO(int x),
		TP_ARGS(x),
		TP_STRUCT__entry(__array(char, x, 0)),
		TP_fast_assign((void)x),
		TP_printk("%s", "")
		);

		TRACE_EVENT(xen_mmu_flush_tlb_single,
		TP_PROTO(unsigned long addr),
		TP_ARGS(addr),
		TP_STRUCT__entry(
		__field(unsigned long, addr)
		),
		TP_fast_assign(__entry->addr = addr),
		TP_printk("addr %lx", __entry->addr)
		);

		TRACE_EVENT(xen_mmu_flush_tlb_others,
		TP_PROTO(const struct cpumask cpus, struct mm_struct mm,
		unsigned long addr),
		TP_ARGS(cpus, mm, addr),
		TP_STRUCT__entry(
		__field(unsigned, ncpus)
		__field(struct mm_struct *, mm)
		__field(unsigned long, addr)
		),
		TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
		__entry->mm = mm;
		__entry->addr = addr),
		TP_printk("ncpus %d mm %p addr %lx",
		__entry->ncpus, __entry->mm, __entry->addr)
		);

		TRACE_EVENT(xen_mmu_write_cr3,
		TP_PROTO(bool kernel, unsigned long cr3),
		TP_ARGS(kernel, cr3),
		TP_STRUCT__entry(
		__field(bool, kernel)
		__field(unsigned long, cr3)
		),
		TP_fast_assign(__entry->kernel = kernel;
		__entry->cr3 = cr3),
		TP_printk("%s cr3 %lx",
		__entry->kernel ? "kernel" : "user", __entry->cr3)
		);


		/* CPU */
		TRACE_EVENT(xen_cpu_write_ldt_entry,
		TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc),